206471680

素因数分解:

$2^9\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1367}}^1$

素因数の和:1449

約数の個数: 80

約数和(自身を含む): 503807040

約数和(自身を除く): 297335360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 512, 590, 640, 944, 1180, 1280, 1367, 1888, 2360, 2560, 2734, 3776, 4720, 5468, 6835, 7552, 9440, 10936, 13670, 15104, 18880, 21872, 27340, 30208, 37760, 43744, 54680, 75520, 80653, 87488, 109360, 151040, 161306, 174976, 218720, 322612, 349952, 403265, 437440, 645224, 699904, 806530, 874880, 1290448, 1613060, 1749760, 2580896, 3226120, 3499520, 5161792, 6452240, 10323584, 12904480, 20647168, 25808960, 41294336, 51617920, 103235840, 206471680]

約数ペア:

[(1, 206471680), (2, 103235840), (4, 51617920), (5, 41294336), (8, 25808960), (10, 20647168), (16, 12904480), (20, 10323584), (32, 6452240), (40, 5161792), (59, 3499520), (64, 3226120), (80, 2580896), (118, 1749760), (128, 1613060), (160, 1290448), (236, 874880), (256, 806530), (295, 699904), (320, 645224), (472, 437440), (512, 403265), (590, 349952), (640, 322612), (944, 218720), (1180, 174976), (1280, 161306), (1367, 151040), (1888, 109360), (2360, 87488), (2560, 80653), (2734, 75520), (3776, 54680), (4720, 43744), (5468, 37760), (6835, 30208), (7552, 27340), (9440, 21872), (10936, 18880), (13670, 15104)]